720432032 has 48 divisors (see below), whose sum is σ = 1474435872. Its totient is φ = 346210560.

The previous prime is 720431993. The next prime is 720432043. The reversal of 720432032 is 230234027.

720432032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 720431989 and 720432007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94607 + ... + 101937.

It is an arithmetic number, because the mean of its divisors is an integer number (30717414).

Almost surely, 2^720432032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720432032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737217936).

720432032 is an abundant number, since it is smaller than the sum of its proper divisors (754003840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

720432032 is a wasteful number, since it uses less digits than its factorization.

720432032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7461 (or 7453 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 720432032 is about 26840.8649637079. The cubic root of 720432032 is about 896.4601829349.

Adding to 720432032 its reverse (230234027), we get a palindrome (950666059).

The spelling of 720432032 in words is "seven hundred twenty million, four hundred thirty-two thousand, thirty-two".